Rear Disc Brake Piston Caliper Rewind/Wind Back Cube Tool for Car Disc What it is Rewind/Wind Back Cube Tool designed for rear disc brake systems to retract or wind back the piston when replacing brake pads. Material and durability The piston tackle is made from quality carbon steel, providing strong and durable performance for longlasting use. Primary function This rear disc brake caliper adjustment tool rotates pistons back into the calipers when replacing brake pads on rear disc brake vehicles, helping to avoid caliper damage and pad misfit. Build quality Built with materials and subjected to multiple quality tests to ensure reliability and durability. Compatibility Designed for rear disc brake calipers on cars and other light vehicles with rear disc brake systems. Practical use scenarios 1) Replacing brake pads on a sedan or SUV with rear disc brakes, using the tool to retract the pistons for pad removal and installation. 2) Servicing rear calipers during pad replacement to ensure pistons retract evenly and smoothly, reducing the risk of caliper binding. 3) Routine brake maintenance on vehicles with rear disc brakes, facilitating piston retraction when inspecting or replacing pads. Key benefits Helps prevent piston damage during pad replacement, simplifies caliper service, and supports reliable rear brake maintenance with a single, purposebuilt tool.